WordPress/wp-includes/blocks/post-excerpt.php
youknowriad ebca9841e8 Block Editor: Update the WordPress Packages based on Gutenberg 11.9 RC1.
This brings the JS packages up to date and is the first step that will allow us 
to include the other block editor updates for WordPress 5.9:
FSE infrastrucutre, site editor and global styles.

Props noisysocks.
See #54337.

Built from https://develop.svn.wordpress.org/trunk@52042


git-svn-id: http://core.svn.wordpress.org/trunk@51634 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2021-11-08 14:29:21 +00:00

70 lines
2.4 KiB
PHP

<?php
/**
* Server-side rendering of the `core/post-excerpt` block.
*
* @package WordPress
*/
/**
* Renders the `core/post-excerpt` block on the server.
*
* @param array $attributes Block attributes.
* @param string $content Block default content.
* @param WP_Block $block Block instance.
* @return string Returns the filtered post excerpt for the current post wrapped inside "p" tags.
*/
function render_block_core_post_excerpt( $attributes, $content, $block ) {
if ( ! isset( $block->context['postId'] ) ) {
return '';
}
$excerpt = get_the_excerpt( $block->context['postId'] );
if ( empty( $excerpt ) ) {
return '';
}
$more_text = ! empty( $attributes['moreText'] ) ? '<a class="wp-block-post-excerpt__more-link" href="' . esc_url( get_the_permalink( $block->context['postId'] ) ) . '">' . $attributes['moreText'] . '</a>' : '';
$filter_excerpt_more = function( $more ) use ( $more_text ) {
return empty( $more_text ) ? $more : '';
};
/**
* Some themes might use `excerpt_more` filter to handle the
* `more` link displayed after a trimmed excerpt. Since the
* block has a `more text` attribute we have to check and
* override if needed the return value from this filter.
* So if the block's attribute is not empty override the
* `excerpt_more` filter and return nothing. This will
* result in showing only one `read more` link at a time.
*/
add_filter( 'excerpt_more', $filter_excerpt_more );
$classes = '';
if ( isset( $attributes['textAlign'] ) ) {
$classes .= "has-text-align-{$attributes['textAlign']}";
}
$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $classes ) );
$content = '<p class="wp-block-post-excerpt__excerpt">' . $excerpt;
$show_more_on_new_line = ! isset( $attributes['showMoreOnNewLine'] ) || $attributes['showMoreOnNewLine'];
if ( $show_more_on_new_line && ! empty( $more_text ) ) {
$content .= '</p><p class="wp-block-post-excerpt__more-text">' . $more_text . '</p>';
} else {
$content .= " $more_text</p>";
}
remove_filter( 'excerpt_more', $filter_excerpt_more );
return sprintf( '<div %1$s>%2$s</div>', $wrapper_attributes, $content );
}
/**
* Registers the `core/post-excerpt` block on the server.
*/
function register_block_core_post_excerpt() {
register_block_type_from_metadata(
__DIR__ . '/post-excerpt',
array(
'render_callback' => 'render_block_core_post_excerpt',
)
);
}
add_action( 'init', 'register_block_core_post_excerpt' );